TABLE 6.

Analysis of WNV-positive units detected in 2003 by the Roche pool assay at NYBC: serological test results upon donor follow-up^a

Donor no.	Sample date (mo/day/yr)b	Anti-WNV test results forc:
		IgM	IgG
1	7/29/2003	Negd	Neg
	9/3/2003	Pose	Pos
2	8/21/2003	Neg	Neg
	9/4/2003	Pos	Pos
	9/18/2003	Pos	Pos
3	8/27/2003	Neg	Neg
	9/10/2003	Pos	Neg
	9/24/2003	Pos	Pos
4	9/2/2003	Neg	Neg
	9/16/2003	Pos	Neg
	10/9/2003	Pos	Pos
5	9/9/2003	Neg	Neg
	9/23/2003	Pos	Pos
	10/7/2003	Pos	Pos
6		Rf	R
7		R	R
8	9/11/2003	Neg	Pos
	9/25/2003	Pos	Pos
	10/14/2003	Pos	Pos
9		R	R
10	10/15/2003	Neg	Neg
	10/29/2003	Pos	Pos
	11/12/2003	Pos	Pos
11	10/15/2003	Neg	Neg
	10/30/2003	Pos	Pos
	11/13/2003	Pos	Pos

^aData tested by the California Department of Health Services for WNV-positive donor samples.

^bThe first sample from each donor is from the day of blood donation.

^cNeg, negative; Pos, positive; IgG and IgM, immunoglobulins G and M, respectively.

^dAntibody not detected.

^eAntibody detected.

^fR, refused follow-up.